I cant get the field

unit_price = models.ManyToManyField(UnitType,through=UnitPrice, blank=True,
null=True)

in Property table.

After adding the field, I tried doing a schemamigration, but output says
"No change has been done"



Mrinmoy Das
http://goromlagche.in/


On Fri, Dec 6, 2013 at 3:04 PM, Daniel Roseman <dan...@roseman.org.uk>wrote:

> On Friday, 6 December 2013 07:44:27 UTC, Mrinmoy Das wrote:
>>
>> Hi,
>>
>> I have these tables
>>
>>
>> on apps/common/models.py
>>
>>
>> class UnitType(models.Model):
>>     title = models.CharField(max_length=50)
>>
>>     def __unicode__(self):
>>         return u'%s' % self.title
>>
>> class UnitPrice(models.Model):
>>     project = models.ForeignKey('property.Property')
>>     unit_type = models.ForeignKey(UnitType)
>>
>>     five_year_target_price = models.CharField(max_length=50, blank=True,
>> null=True)
>>     per_sqft_price = models.CharField(max_length=50, blank=True,
>> null=True)
>>     total_price = models.CharField(max_length=50, blank=True, null=True)
>>
>>     total_area = models.CharField(max_length=140, blank=True, null=True)
>>     carpet_area = models.CharField(max_length=140, blank=True, null=True)
>>
>>      def __unicode__(self):
>>         return u'%s' % self.title
>>
>>
>>
>> and on apps/property/models.py
>>
>>
>> class Property(Base):
>> .....
>> .....
>>     unit_price = models.ManyToManyField(UnitType,through=UnitPrice,
>> blank=True, null=True)
>>
>> .....
>> .....
>>
>>
>>
>> after adding the unit price field I did  a migration
>>
>>       python manage.py schemamigration property --auto
>>
>> I am getting this output
>>
>>        Nothing seems to have changed.
>>
>> the through table is created,  i have checked that.
>>
>>
>>                                          Table "public.common_unitprice"
>>          Column         |          Type
>> |                           Modifiers
>> ------------------------+------------------------+----------
>> -----------------------------------------------------
>>  id                     | integer                | not null default
>> nextval('common_unitprice_id_seq'::regclass)
>>  project_id             | integer                | not null
>>  unit_type_id           | integer                | not null
>>  five_year_target_price | character varying(50)  |
>>  per_sqft_price         | character varying(50)  |
>>  total_price            | character varying(50)  |
>>  total_area             | character varying(140) |
>>  carpet_area            | character varying(140) |
>> Indexes:
>>     "common_unitprice_pkey" PRIMARY KEY, btree (id)
>>     "common_unitprice_project_id" btree (project_id)
>>     "common_unitprice_unit_type_id" btree (unit_type_id)
>> Foreign-key constraints:
>>     "project_id_refs_id_7c43d44c" FOREIGN KEY (project_id) REFERENCES
>> property_property(id) DEFERRABLE INITIALLY DEFERRED
>>     "unit_type_id_refs_id_1a1f3765" FOREIGN KEY (unit_type_id)
>> REFERENCES common_unittype(id) DEFERRABLE INITIALLY DEFERRED
>>
>>
>>
>>
>>
>>
>> Any help??
>>
>>
>> Mrinmoy Das
>> http://goromlagche.in/
>>
>
>
> What else are you expecting? If the through table is created, that's all
> you need.
> --
> DR.
>
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